A 10.0 kg mass is attached to the end of a 2.00 m brass rod with a 1.00 mm diameter. If the tensile modulus of brass is 
then the period of the simple harmonic motion of the mass is
A. 0.175 sec.
B. 0.105 sec.
C. 0.133 sec.
D. 0.145 sec.
E. 0.167 sec.
B. 0.105 sec.
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Vision Problems: If the lens in a person's eye is too highly curved, this person is suffering from
A. farsightedness. B. spherical aberration. C. astigmatism. D. chromatic aberration. E. nearsightedness.
The moon with a mass of 
kg is orbiting about the earth with a mass of 
kg at a radius of 
meters. The earth is orbiting about the sun with a mass of 
kg at a radius of 
meters. The force of gravity on the moon when it is between the earth and the sun is 
A. 
N toward the sun.
B. 
N toward the earth.
C. 
N toward the sun.
D. 
N toward the earth.
E. 
N toward the earth.
Right ascension in the sky is very similar to latitude on the Earth
Indicate whether the statement is true or false
A planar loop consisting of four turns of wire, each of which encloses 200 cm2, is oriented perpendicularly to a magnetic field that increases uniformly in magnitude from 10 mT to 25 mT in a time of 5.0 ms. What is the resulting induced current in the coil if the resistance of the coil is 5.0 W?
a. 60 mA b. 12 mA c. 0.24 mA d. 48 mA e. 6.0 mA